A plaque memorializes the Boston location of one of the largest nightclub fires in history.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

Historic Hull Street was actually the first street with a proper name in the Boston area.

Two thousand artifacts from around the world collected by one woman who loved to travel.

An enormous, inside-out glass globe built in 1935.

Artifacts of whaling, with both its perils and adventure, are housed in this museum in a former candle factory.

An experimental, automotive replica of Stonehenge.

Famously misunderstood wonder of the ancient world

Where, exactly, the great aviator completed her transatlantic flight has caused some trouble in Wales.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

A particularly disconcerting tribute to Irish martyrs.

The modern birthplace of Irish freedom.

Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

This courtly monument celebrates an influential comedian who turned taking the piss out of the powers-that-be into an art.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Gargantuan home of Russian science.

Moscow's most popular cemetery includes the graves of numerous cosmonauts.